zuru verb, transitive verb
A somewhat formal or literary verb meaning to mess up or fail in doing something. Often implies a blunder due to one's own error. The more common modern equivalent is 仕損じる (しそんじる).
See also: 仕損じる
大事な商談を仕損じて、上司に叱られた。
I blundered an important business negotiation and was scolded by my boss.
彼は簡単な作業を仕損ずることはめったにない。
He rarely fails at simple tasks.